Cobalt bottle with 4 stamped on bottom

Valuable Old Glass Bottles

Eric Burke BourbonGuy. On many bottles, there is no such mark, but only a number (or numbers) to be seen. See my page on Owens-Illinois Glass Companythat used, and uses, location codes on many of their bottles. Here are a few photos showing typical bottle bases with numbers on the bottoms.

Most often, a trademark or other marking is embossed on the very bottom of the bottle, or along the lower “heel” of the bottle. Arrives soon! Your bottle is a generic, made for a poisonous substance. They were made in all sizes and sold to any manufacturer with a use for them You would need the original paper label to know who and what it contained.

The number was often included in paperwork such as letters, receipts, invoices, catalogs, etc. Items in the Price Guide are obtained exclusively from licensors and partners solely for our members’ research needs.

VINTAGE COBALT BLUE VIOLIN

Vintage Cobalt Blue glass Bottle with M4 on bottom embossed. Here is a link to that page, which is a PDF file:. This particular mark is confirmed to exist on the base of a cobalt blue rectangular “2 oz” marked bottle, with vertical ribbing on the front; probably an iodine or poison bottle.

On many bottles, there is no such mark, but only a number or numbers to be seen. This guide will teach you how to identify the bottom markings of an antique glass bottle. If problems occurred with the finished product, it could be easily ascertained which mold is at fault.

Smallish cobalt bottle identification

Get it by. Get the best deals for Vintage Cobalt Blue Glass Bottles at We have a great online selection at the lowest prices with Fast & Free shipping on many items!. If several identical glass molds were being used simultaneously on a bottle blowing machine each mold would have been assigned a number a number between 1 and 10, or 1 and 12, etc.

More information on this invention which is rather involved!

How to Identify the

For more information please check out my page here with a list of those liquor bottle permit numbers: Glass Industry Liquor Bottle Permit Numbers. Most modern glass bottles carry date codes, which are often on the heel of the bottle.

The stars are the dots and the underlines are the empty spaces on the bottle? The number within a triangle with rounded corners found on the bottom of plastic bottles is a code indicating the type of plastic the bottle is made from, and pertains to the subject of recycling.

Many, many types of commonly-seen glass products have been marked with these types of mold numbers on the base, including bottles, fruit jars, jugs, flasks, candle holders, candlesticks, ashtrays, canisters, dishes, mugs, sugar bowls, salt and pepper shakers, sugar shakers, syrup pitchers, tumblers, tea glasses, punch cups, etc.

Your order should arrive by this date if you buy today. Hm, I followed the advice given. If there is an identifiable mark on the bottom of a bottle, the mark might be listed there. Some numbers were factory location codes.

Numbers on the bottoms

Knowing how to identify antique glass bottles is essential when collecting them. These date codes are not always obvious, or easy to distinguish from mold numbers. To begin with, always look very closely over the entire glass bottle or other container to see if there is a logo emblem, trademark, initials, or just a letter visible that might be a mark that identifies the actual glass manufacturer.

Ok, you got me. Some numbers for instance, 3- or 4-digit numbers on the base of many British bottles were catalog, inventory, style or design numbers assigned to a particular bottle shape. This is because some collectors will not buy any bottle without knowing what kind of bottling it has.

Glass Manufacturers Marks on

Collectors and researchers are interested in understanding what the number markings on the bottoms of glass containers mean. For more information, see my web page on the Ball Perfect Mason jars. This is true on the products of some glass manufacturers, but not all.

A large percentage of bottles are marked with only a number, or numbers, on the base or the heeland in many cases, it is very difficult, if not impossible to assign a specific glass manufacturer to a bottle if there is no other information embossed in the glass.

List of codes including Rectifier numbers, Distiller numbers, etc. If this item contains incorrect or inappropriate information please contact us here to flag it for review.